package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.constant.MessageConstant;
import com.itheima.constant.RedisConstant;
import com.itheima.dao.CheckGroupDao;
import com.itheima.dao.SetmealDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.entity.Result;
import com.itheima.pojo.CheckGroup;
import com.itheima.pojo.CheckItem;
import com.itheima.pojo.Setmeal;
import com.itheima.utils.QiniuUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import redis.clients.jedis.JedisPool;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

/**
 * 体检套餐服务实现类
 */
@Service(interfaceClass = SetmealService.class)
@Transactional
public class SetmealServiceImpl implements SetmealService {
    @Autowired
    private SetmealDao setmealDao;

    //新增套餐
    public void add(Setmeal setmeal, Integer[] checkgroupIds) {
        setmealDao.add(setmeal);
        if (checkgroupIds != null && checkgroupIds.length > 0) {
            //绑定套餐和检查组的多对多关系
            setSetmealAndCheckGroup(setmeal.getId(), checkgroupIds);
        }
    }




    //绑定套餐和检查组的多对多关系
    private void setSetmealAndCheckGroup(Integer id, Integer[] checkgroupIds) {
        for (Integer checkgroupId : checkgroupIds) {
            Map<String, Integer> map = new HashMap<>();
            map.put("setmeal_id", id);
            map.put("checkgroup_id", checkgroupId);
            setmealDao.setSetmealAndCheckGroup(map);
        }
    }

    /**
     * 完善SetmealController，在文件上传成功后将图片名称保存到redis集合中
     */
    @Autowired
    private JedisPool jedisPool;

    //图片上传
    @RequestMapping("/upload")
    public Result upload(@RequestParam("imgFile") MultipartFile imgFile) {

        try {
            //获取原始文件名
            String originalFilename = imgFile.getOriginalFilename();
            int lastIndexOf = originalFilename.lastIndexOf(".");
            //获取文件后缀
            String suffix = originalFilename.substring(lastIndexOf - 1);
            //使用UUID随机产生文件名称，防止同名文件覆盖
            String fileName = UUID.randomUUID().toString() + suffix;
            QiniuUtils.upload2Qiniu(imgFile.getBytes(), fileName);
            //图片上传成功
            Result result = new Result(true, MessageConstant.PIC_UPLOAD_SUCCESS);
            result.setData(fileName);
            //将上传图片名称存入Redis，基于Redis的Set集合存储
            jedisPool.getResource().sadd(RedisConstant.SETMEAL_PIC_RESOURCES, fileName);
            return result;
        } catch (Exception e) {
            e.printStackTrace();
            //图片上传失败
            return new Result(false, MessageConstant.PIC_UPLOAD_FAIL);
        }

    }

    //分页查询
    @RequestMapping("/findPage")
    public PageResult findPage(@RequestBody QueryPageBean queryPageBean){
        CheckItemServiceImpl setmealService = null;
        PageResult pageResult = setmealService.pageQuery(
                queryPageBean.getCurrentPage(),
                queryPageBean.getPageSize(),
                queryPageBean.getQueryString()
        );
        return pageResult;
    }

    @Override
    //服务实现类中实现分页查询方法，基于Mybatis分页助手插件实现分页
    public PageResult pageQuery(Integer currentPage, Integer pageSize, String queryString) {
        PageHelper.startPage(currentPage,pageSize);
        CheckGroupDao checkGroupDao = null;
        Page<CheckGroup> page = checkGroupDao.selectByCondition(queryString);
        return new PageResult(page.getTotal(),page.getResult());
    }

}
